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Questions tagged [usb-hub]

An USB hub is a device that expands a single USB port into multiple ports, thus allowing to connect more devices to a host system. The USB&LAN controller (LAN9512) acts as on on-board USB hub on the Raspberry Pi (except Pi Zero).

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External HDD stopped mounting automatically in Raspbian

In Raspbian I used to be able to just plug in my external HDDs and they would be detected I could then find them in /media/ using WinSCP and transfer files to them. I haven't used Raspbian in a ...
ajrobson's user avatar
2 votes
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93 views

Pi not recognising 2.5" HDD over powered USB Hub

So after finally setting up OpenElec I decided to also get a powered USB hub. Got this one for cheap from work. The power supply for the HUB outputs read: +5V ⎓1A I connected a 2.5" HDD in a USB 2.0 ...
thibmaek's user avatar
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Raspberry Pi 2 does not recognize USB memories

I have raspberry Pi 2 connected with usb-HUB and I have some problems with the memory sticks. I have: 8 gb usb memory in ext4 format, 8 gb usb memory in fat format, 1 tb external hdd in NTFS format....
John Lapoya's user avatar
1 vote
1 answer
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UDev rule for removing device not triggered

I am having a monitor with an integrated USB hub (and a physical power-switch) attached to my pi and want to execute two different scripts, when the monitor is turned on and off. The first part for ...
treuss's user avatar
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Using Raspberry Pi as USB device description pass-through/emulator

TLDR: Is it possible to use a Pi (or Pi like device) as a method for emulating a USB device descriptor and passing packets across? If I could get the Pi to emulate the correct ID and details, I could ...
I.Tend.To.Break.Things's user avatar
1 vote
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how to give power and ETH to pi pico W at same time?

Learning following project https://github.com/sbcshop/Raspberry-Pi-Pico-RFID-Expansion. Now the requirement is to connect project with Ethernet network, also provide power supply at same time. Qustion:...
R. Baraiya's user avatar
1 vote
2 answers
524 views

Pi 4 won't boot after powered USB hub was connected

MY Pi 4 won't boot anymore after I connected a Sabrent HB-UMP3 powered USB Hub. The Pi4 had been running just fine for around 2 years, yesterday I hotplugged the abovementioned hub and the Pi ...
Blindfreddy's user avatar
1 vote
1 answer
321 views

Power issue: USB 4G Modem via USB Hub

I am hoping to get some advice, below is the hardware I am using, Raspberry Pi Zero 1.7W (Raspbian OS Lite - 2022 Kernel) Ethernet / USB HUB HAT (B) Hologram Nova 4G Modem Initial power tests, I see ...
Beaker's user avatar
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2 answers
744 views

Using a PD USB hub for power and data for Pi 4

I want to use a 7" LCD (not the official Pi 7" LCD) together with the Pi 4. According to the LCD documentation, it requires 2A. I was planning initially to power the LCD through one Pi. Now ...
Zaffresky's user avatar
1 vote
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652 views

Problem with booting Raspberry Pi 400 from USB drives

Summary: I have a USB3 flash drive that I can use to boot my Raspberry Pi 400 without a problem, but only when it is directly attached to one of my my RPI 400 USB3 ports. However, when I attach the ...
mcgregor94086's user avatar
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Connecting hub to 1 USB port vs 2 USB ports?

The Pi 4B has 2x USB 3.0 ports. I have 2 choices to connect my hard drives: Using a single 10-port hub which connects to 1 USB 3.0 port. Using two 5-port hubs which connect to two USB 3.0 ports. ...
Livy's user avatar
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Raspberry Pi 2B External HDD not detected

I'm trying to connect my external hard drive to my Raspberry Pi 2B, but I am not able to get it to show up. I am running the latest Raspbian, and I have updated my software. Running lsblk --fs, I only ...
Banky's user avatar
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How can Rpi4B use multiple on board and USB based UART / serial ports?

there. I am trying to use rpi 4 to access my own device through UART. However, the number of UART port isn't enough for me since I'm trying to access more device in same time. Thus, I want to know if ...
黃政鈺's user avatar
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USB ports for 4G modules disappears after resetting the 4G module

I am using the EC25 quectel LTE module with Raspberry Pi 3 Model B. I can access the internet using serial pins of raspberry pi i.e. UART Tx and Rx. I can find ttyUSB[0-5] in ls \dev. I am sending AT ...
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Getting ftdi_sio ttyUSB0: failed to get modem status: -32

Iam using Raspberry pi 3b along with Xbee and Sixfab 3G/4G base sheild. getting ftdi_sio ttyUSB0: failed to get modem status: -32 usb usb1-port1: disabled by hub (EMI?), re-enabling... and also ...
Ramana's user avatar
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How to give PS3 controllers charging handshake on connected powered hub?

I have a Raspberry Pi 3 with a powered USB Hub ( 7 port Anker ) running retro game OS Lakka. The PS3 controllers work great with the system, but I want to be able to charge them as well. Currently ...
markjwill's user avatar
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Raspberry Pi B+ power-supply and USB problems

I have two Raspberry Pi B+. One of the two is rather unstable (details below) and I would like to understand if it is just a defect or if I might have broken it so that I can avoid making the same ...
Giorgio's user avatar
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17 views

Wired controllers not being detected in the rpi when connected through an USB hub

This is all the info I have about the problem: I have a powered USB hub connected to my rpi zero 2 W (setup shown here. A is the hub connected to the rpi, B the HDMI and C is where I plug the hub to a ...
The Suspect's user avatar
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Can't power RP4 from same active hub the peripherals are connected to

I'm building something NAS-like with a RPI4 Model B Rev 1.2 and 2 hard disks. I'm using an active hub for the hard disks and wanted to power the RPI4 from it as well. Here is how I wanted to wire it: ...
felher's user avatar
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I have a raspberry pi3 and i want to use the ethernet port on my pi to send ethernet connection to my laptop

Is it possible to use my raspberry pi3 like a USB ethernet adapter to send ethernet through to my laptop using a USB, I dont care if the network isn't crazy fast I just want to play games on my laptop
Grif's user avatar
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Pi 4B OTG USB advanced troubleshooting/debug or logs

I followed this wonderful guide: https://magpi.raspberrypi.com/articles/pi-zero-w-smart-usb-flash-drive and I was able to made it working on my loved Pi4B. Everything works fine as mass storage ...
flic47921's user avatar
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0 answers
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Raspberry pi zero 2w and usb c hub

I have a raspi zero 2w and inside flirc case and using 4year old 16gb sd card and headless pi os; it uses usb micro to usb c and then usb c to ethernet. I wanted to transfer some files from pi to my ...
splintercell9's user avatar
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0 answers
588 views

raspberrypi kernel: [14247.511414] mmc0: timeout waiting for hardware interrupt

Setup = Rpi > USB HUB > USB TTL adapter/cable > 2 LTE modules. Protocol = AT Commands. Problem = mmc0: timeout waiting for hardware interrupt. Question = Any investigation method and ...
Praveen Deshmane's user avatar
0 votes
0 answers
467 views

Would it be possible to emulate a ps4 controller on USB-out

Would it be possible to create a PlayStation 4 controller USB interceptor of sorts for the purpose of using macros? The project’s model would look like this: • You are plugging PS4 controller in one ...
TheHalfGAME's user avatar
0 votes
0 answers
559 views

Connect Raspberry Pi from Android App through USB

I'm building an android app where there's a requirement to show the temperature in the app from the sensor in Raspberry Pi Controller. For this purpose, I'm trying to connect my android device to ...
Rajesh's user avatar
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0 answers
271 views

RPi4 USB-C hub not working on reboot

I have a LogiLink USB-C 3-Port Hub UA0315 plugged in Raspberry Pi 4 which is powered through external power supply. The hub is working when plugged in, however on reboot it is no longer detected until ...
Martin's user avatar
  • 1
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25 views

Can I issue a command when a specific message issued in the syslog

I am having power problems with my USB devices which is proving difficult to resolve. However I can see on the syslog that there is a specific error message which shows there is a problem. What I ...
xh28's user avatar
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USB hub is switched into USB1 mode with USB2 peripherals

I was wondering why my USB sd-cardreader operates that slow, see this benchmark: root@DietPi:~# hdparm -tT /dev/sda1 /dev/sda1: Timing cached reads: 4 MB in 2.00 seconds = 2.00 MB/sec ...
Codebeat's user avatar
  • 111
0 votes
0 answers
294 views

Is it possible to have both hidraw0 and hidg0?

I would like to know if we can have both hidraw0 and hidg0 at the same time? Detailed description :- I have a barcode scanner, raspberry pi zero W, zero4u hub. Barcode scanner is connected to ...
Shreeya Patel's user avatar
0 votes
0 answers
431 views

Why did my wireless USB adapter suddenly stop working on a powered USB hub after it worked for weeks?

I set up two Raspberry Pis to power a 50" television each about a month ago. On each I have Raspbian running, with slight modifications so that it boots into a Midori browser kiosk that, by default, ...
3cheesewheel's user avatar
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USB power trouble on Raspberry Pi 4

I think I am having some USB power trouble on my Raspberry Pi 4. The USB power limit is 1500 mA AFAIR. I have already connected an external hard drive and a single dongle, which works just fine. ...
Morten's user avatar
  • 99
-1 votes
1 answer
380 views

Can I use the usb pins on the pi cm4 directly?

I'm designing my own CM4 breakout board. If I only need one usb device, can I use the usb pins on the pi cm4 directly without the multiplexer chips?
bob mcgrath's user avatar
-1 votes
1 answer
178 views

It's possible to power Raspberry Pi Zero though a USB Hub?

I want to use a Raspberry Pi with 2 USB connections. One connecting it to a computer and one connecting it to another device. This is possible, right? I just need to use a USB hub. But can I power up ...
pmjoe's user avatar
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-1 votes
1 answer
109 views

Input on raspberry pi 0 on stretch

I recently switched to stretch, the latest version of raspbian os on my raspberry pi 0 (not the w model) I cannot get any peripherals to work; mouse, keyboard, or wireless adapter. I tried my pihat ...
Jebidieah Cornell's user avatar
-1 votes
4 answers
90 views

Attaching second Raspberry Pi to a USB hub already connected to a Pi

What would happen if I attach a Raspberry Pi (A) to a USB hub for power which is already connected to a second Raspberry Pi (B) powered by an adapter (but connects to devices such as HDD, keyboard, ...
Shimano's user avatar
  • 191
-1 votes
2 answers
272 views

Power rpi with 2 ports from usb hub

Ok so I have not been able to find this specific question on the interwebs. I am looking for a USB hub that will power the pi and a few other things. I'm not concerned about the over all power rating ...
user3708579's user avatar